Barrick shareholders will end up own two-thirds of the combined firm and Randgold will own the remaining third.
His worst-case scenario was that house prices could fall as much as 35% over three years, a source told the BBC.
Shares in Asos have fallen more than 10% after the online clothing giant said sales growth this year would be at the lower end of forecasts.
The rise reflects concern about the impact of US sanctions against Iran that will target oil exports.
The chief accounting officer has left less than a month after joining, while its HR officer is also reported to have resigned a year after joining.
Despite reporting a 18.5% rise in sales to £98.6m for the six months to 25 August, Footasylum said sales since then had been “more challenging”.